Nosler Ballistic Tip ammunition is loaded up front with the accurate and reliable Nosler Ballistic Tip Bullet. Every bullet weight and muzzle velocity is optimized for maximum effectiveness on Deer Antelope and Hogs. - Caliber: 280 Ackley Improved - Bullet Type: Ballistic Type - Bullet Weight: 140 gr - Muzzle Energy: 3084 ft / lbs - Muzzle Velocity: 3150 fps - Rounds Per Box: 20